147855388 has 6 divisors (see below), whose sum is σ = 258746936. Its totient is φ = 73927692.

The previous prime is 147855353. The next prime is 147855391. The reversal of 147855388 is 883558741.

It is a super-2 number, since 2×147855388² = 43722431521261088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18481920 + ... + 18481927.

Almost surely, 2^147855388 is an apocalyptic number.

It is an amenable number.

147855388 is a deficient number, since it is larger than the sum of its proper divisors (110891548).

147855388 is a wasteful number, since it uses less digits than its factorization.

147855388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36963851 (or 36963849 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

The square root of 147855388 is about 12159.5800914341. The cubic root of 147855388 is about 528.7849083209.

The spelling of 147855388 in words is "one hundred forty-seven million, eight hundred fifty-five thousand, three hundred eighty-eight".